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Leading scientists said on Friday the discovery of sub-atomic particles apparently traveling faster than light could force a major rethink of theories on the makeup of the cosmos if independently confirmed.
Jeff Forshaw, a professor of particle physics at Britain's Manchester University, told Reuters the results if confirmed would mean it would be possible in theory to "send information into the past."
"In other words, time travel into the past would become possible...(though) that does not mean we'll be building time-machines anytime soon."

The CERN research institute near Geneva said measurements over three years had shown neutrinos pumped to a receiver in Gran Sasso, Italy, had arrived an average of 60 nanoseconds sooner than light would have done -- a tiny difference that could nonetheless undermine Albert Einstein's 1905 special theory of relativity.
"Extraordinary claims require extraordinary evidence, and this is an extraordinary claim," eminent cosmologist and astrophysicist Martin Rees told Reuters.
"It is premature to comment on this," Professor Stephen Hawking, the world's most well-known physicist, told Reuters. "Further experiments and clarifications are needed."
Professor Jenny Thomas, who works on neutrinos at CERN's friendly rival Fermilab near Chicago in the United States, commented: "The impact of this measurement, were it to be correct, would be huge."
CERN's own research director Sergio Bertolucci said if the findings were confirmed -- and at least two separate laboratories are likely to start work on this in the near future -- "it might change our view of physics."